NIAGARA FALLS – A Niagara Falls man faces more serious charges after a shoplifting incident turned into an alleged armed robbery.

Ricky Q. Caldwell, 48, no permanent address, was charged Tuesday with first-degree robbery, petit larceny and second-degree menacing in the May 6 incident at a Family Dollar store on Hyde Park Boulevard.

A clerk said the suspect loaded up two bags and then fought with another clerk when he was stopped, according to police.

The suspect pulled a knife and threatened to cut the clerk who was trying to retrieve the bags, police said.